
JBL CONTROL 328C, 8" Coaxial Ceiling Loudspeaker with HF Compression Driver
The JBL Control 328C is a passive 8" coaxial ceiling speaker designed for voice amplification and foreground music reproduction in waiting rooms, offices, retail stores, and restaurants. When driven by an 8-Ohm power amplifier (available separately), this 2-way speaker provides a long-term power capacity of 250W (1000W peak). The Control 328C is equipped with a durable 8" Kevlar-reinforced cone and a titanium-diaphragm compression driver, yielding an extended frequency response of 60 Hz to 16 kHz. Product Specifications: Frequency Range (-10dB): 45 Hz – 18 kHz Sensitivity: 93 dB (1 kHz - 16 kHz) Frequency Response (±3 dB): 60Hz – 16 kHz Coverage Angle: 120° conical, constant directivity Directivity Factor (Q): 7.0 (Avg 1k - 16kHz) Directivity Index (DI): 8.5dB (Avg 1k - 16kHz) Maximum SPL (1m): 118 dB (124 dB peak) Impedance: 8 ohms Dimensions (H x W x D): 305 mm (12.0 in.) Input Connectors: Screw locking barrier strip for bare wire Drivers: LF Driver: 200 mm (8 in) HF Driver: compression driver, 25 mm (1 inch) coil Color: White Backcan: formed steel (wood-lined; accessory) Baffle/Rim: Metal, round, driver pre-mounted to baffle, ported. Ceiling Cutout Size: 310 mm (12.2 in) diameter (for MTC-300BB8 backcan) Plenum Usage: Yes, with accessory backcan